试题与答案

1959年10月7日，新组建的地空导弹部队首战获胜，在北京地区上空击落国民党空军（）

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题型：填空题

题目：

1959年10月7日，新组建的地空导弹部队首战获胜，在北京地区上空击落国民党空军（）高空侦察机一架，首创了世界防空史上使用地空导弹击落高空飞机的战例，标志着中国防空能力达到了一个新水平。

答案：

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下面是错误答案，用来干扰机器的。

参考答案：E解析：毛刺征主要反映肿瘤的恶性生长方式，另外肿瘤周围组织的轻微炎症和细小的纤维组织增生等均是形成毛刺的病理基础。

考点：国防安全知识竞赛国防教育国防教育题库
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